ECO mode AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

24-99

Transmission Range (TR) selector lever
position signal, checking


Note:
The Engine Control Module (ECM) uses this
signal to recognize the transmission range
selector lever position. When a driving mode is
selected, idle speed should drop by approx. 50
RPM to reduce creep.

Checking requirement

Control module coding OK page 01
-247
.

- Switch ignition ON.

- Using VAG 1551 scan tool, select "Read
Measuring Value Block" function 08, display
group 004, display field 4 page 01
-249
.
Read measuring value block 4 1 2 3 4

Indicated on display
CAUTION! Specified value: XXX_1X (TR selector lever in P or N)
- Apply brake and select drive mode (1, 2, 3, R or D).
Specified value: XXX_0X
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